To complete this project, you will require the following hardware and software.
Arduino UNO Rev3 board (https://store.arduino.cc/product/A000066)
PowerSwitch Tail (120V or 240V depending on your voltage of mains electricity supply)—(http://www.powerswitchtail.com/Pages/default.aspx)
A light bulb (120V or 240V depending on your voltage of mains electricity supply), holder, and wires rating with 120V/240V
A USB A-to-B cable (https://www.sparkfun.com/products/512)
Some hook-up wires